RRR form style tweaks for M6

rrr-form-styles.scss

.forms li input, .forms li textarea {
  font-size: 16px; // was 15px
  padding: .66em 1em; // was 15px
}

form#form-vlc-race-registration label.field_label {
  margin: 1em 0 0 0; // was 16px 0 3px 0
}

form#form-vlc-race-registration h2 {
  font-size: 30px !important; // was 36px
  letter-spacing: 1px !important; // was 0px
  margin-bottom: 20x !important; // was 10px
  margin-top: 30px;
  padding-top: 0; // was 20px;
}

form#form-vlc-race-registration h3 {
  font-size: 24px !important; // was 20px
  margin: 30px 0 15px !important; // was 15px 0
  font-weight: 700; // new
}